Specification: - 24bit /192KHz 2-In/2-Out firewire recording Interface - 2x2 analog I/O full duplex recording and playback - MIC input with +48V phantom power and gain control - Hi-Z input with gain control - 2 analog outputs on 1/4" TRS jacks - 2 headphone outputs with volume control - Two 6-pin Firewire ports for cascading - Supports Direct sound, WDM and ASIO2.0 - Full duplex, simultaneous record/playback - Power supply by ICON keyboard (No external power adapter needed)